What was a significant change made to the CTADS survey beginning in 2015 compared to previous years?
A) Data was collected for residences of the Yukon
B) The CTADS used cell phones in its sampling frame
C) Data was collected using an internet questionnaire
D) Data was collected for residences of the Nunavut

Question

Quizplus · Accepted Answer

Beginning in 2015, the Canadian Tobacco, Alcohol and Drugs Survey (CTADS) included cell phones in its sampling frame, which was a significant change from previous years. This allowed for a broader and more inclusive sample of the population, especially considering the increasing number of households that use cell phones as their only means of telecommunication.

What Was a Significant Change Made to the CTADS Survey